AU431888B2 - Antenna structure - Google Patents

Antenna structure

Info

Publication number
AU431888B2
AU431888B2 AU34949/71A AU3494971A AU431888B2 AU 431888 B2 AU431888 B2 AU 431888B2 AU 34949/71 A AU34949/71 A AU 34949/71A AU 3494971 A AU3494971 A AU 3494971A AU 431888 B2 AU431888 B2 AU 431888B2
Authority
AU
Australia
Prior art keywords
antenna structure
antenna
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
AU34949/71A
Other versions
AU3494971A (en
Inventor
W. RENNELS and WILLIAM J. WILSON LARRY
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of AU3494971A publication Critical patent/AU3494971A/en
Publication of AU431888B2 publication Critical patent/AU431888B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/273—Adaptation for carrying or wearing by persons or animals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
AU34949/71A 1970-10-30 1971-10-25 Antenna structure Expired AU431888B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US8542970A 1970-10-30 1970-10-30
USUS85,429 1970-10-30
USUS186,154 1971-10-04
US00186154A US3736591A (en) 1970-10-30 1971-10-04 Receiving antenna for miniature radio receiver

Publications (2)

Publication Number Publication Date
AU3494971A AU3494971A (en) 1973-02-08
AU431888B2 true AU431888B2 (en) 1973-02-08

Family

ID=72138315

Family Applications (1)

Application Number Title Priority Date Filing Date
AU34949/71A Expired AU431888B2 (en) 1970-10-30 1971-10-25 Antenna structure

Country Status (7)

Country Link
US (1) US3736591A (en)
JP (1) JPS5126215B1 (en)
AU (1) AU431888B2 (en)
CA (1) CA942392A (en)
DE (2) DE2153827B2 (en)
GB (1) GB1354710A (en)
HK (1) HK68376A (en)

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JPS5441192B2 (en) * 1973-08-01 1979-12-07
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JPS583405B2 (en) * 1976-09-24 1983-01-21 日本電気株式会社 Antenna for small radio equipment
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JPS618644Y2 (en) * 1977-08-26 1986-03-18
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DE3101198A1 (en) * 1981-01-16 1982-09-02 Robert Bosch Gmbh, 7000 Stuttgart Radio receiver which can be attached to the clothing and has a built-in antenna
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EP0122485B1 (en) * 1983-03-19 1987-09-02 Nec Corporation Double loop antenna
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US4626862A (en) * 1984-08-08 1986-12-02 John Ma Antenna having coaxial driven element with grounded center conductor
US4613989A (en) * 1984-09-28 1986-09-23 Cincinnati Microwave, Inc. Police radar warning receiver
US4686499A (en) * 1984-09-28 1987-08-11 Cincinnati Microwave, Inc. Police radar warning receiver with cantilevered PC board structure
US4679233A (en) * 1985-08-30 1987-07-07 Motorola, Inc. Microphone
US4740794A (en) * 1986-01-03 1988-04-26 Motorola, Inc. Connectorless antenna coupler
US4723305A (en) * 1986-01-03 1988-02-02 Motorola, Inc. Dual band notch antenna for portable radiotelephones
US4725845A (en) * 1986-03-03 1988-02-16 Motorola, Inc. Retractable helical antenna
JPS62262502A (en) * 1986-05-09 1987-11-14 Yuniden Kk Antenna for radio communication equipment
JPH0693635B2 (en) * 1986-12-19 1994-11-16 日本電気株式会社 Small radio
US4821040A (en) * 1986-12-23 1989-04-11 Ball Corporation Circular microstrip vehicular rf antenna
US4835541A (en) * 1986-12-29 1989-05-30 Ball Corporation Near-isotropic low-profile microstrip radiator especially suited for use as a mobile vehicle antenna
US4817196A (en) * 1987-01-02 1989-03-28 Motorola, Inc. Apparatus for tuning the antenna of a miniature personal communications device
US4805232A (en) * 1987-01-15 1989-02-14 Ma John Y Ferrite-core antenna
JPH0650840B2 (en) * 1987-02-27 1994-06-29 日本電気株式会社 Wireless selective calling system
JP2624257B2 (en) * 1987-06-29 1997-06-25 日本電気株式会社 Radio antenna
US4814776A (en) * 1987-09-10 1989-03-21 Motorola, Inc. Optimally grounded small loop antenna
US4894663A (en) * 1987-11-16 1990-01-16 Motorola, Inc. Ultra thin radio housing with integral antenna
JPH01241927A (en) * 1988-03-24 1989-09-26 Kokusai Electric Co Ltd Receiver for radio calling
JPH01246904A (en) * 1988-03-28 1989-10-02 Kokusai Electric Co Ltd Small-sized antenna
US4940992A (en) * 1988-04-11 1990-07-10 Nguyen Tuan K Balanced low profile hybrid antenna
US4876552A (en) * 1988-04-27 1989-10-24 Motorola, Inc. Internally mounted broadband antenna
JPH01307302A (en) * 1988-06-06 1989-12-12 Nec Corp Loop antenna for portable radio equipment
US5227804A (en) * 1988-07-05 1993-07-13 Nec Corporation Antenna structure used in portable radio device
US5243356A (en) * 1988-08-05 1993-09-07 Seiko Epson Corporation Antenna circuit and wrist radio instrument
JPH0546113Y2 (en) * 1989-03-20 1993-12-01
KR920700499A (en) * 1989-05-01 1992-02-19 빈센트 죠셉 로너 Housing for Battery-Propelled Phaser
US5300937A (en) * 1989-10-02 1994-04-05 Motorola, Inc. Loop antenna
US5227805A (en) * 1989-10-26 1993-07-13 Motorola, Inc. Antenna loop/battery spring
US5203022A (en) * 1991-03-05 1993-04-13 Motorola, Inc. Clamping assembly for interlocking a radio and battery housing
US5280296A (en) * 1992-04-29 1994-01-18 Motorola, Inc. Antenna system for a wrist carried selective call receiver
US5268699A (en) * 1992-09-24 1993-12-07 Motorola, Inc. Data communication receiver utilizing a loop antenna having a hinged connection
US5485166A (en) * 1993-05-27 1996-01-16 Savi Technology, Inc. Efficient electrically small loop antenna with a planar base element
US5659325A (en) * 1994-12-02 1997-08-19 Harris Corporation Low impedance loop antenna and drive circuitry
DE19504577A1 (en) * 1995-02-11 1996-08-14 Fuba Automotive Gmbh Flat aerial for GHz frequency range for vehicle mobile radio or quasi-stationary aerial
DE19510236A1 (en) * 1995-03-21 1996-09-26 Lindenmeier Heinz Flat antenna with low overall height
US5971552A (en) * 1995-12-08 1999-10-26 Donnelly Corporation Vehicle global positioning system
JPH09232990A (en) * 1996-02-20 1997-09-05 S I I R D Center:Kk Small sized radio equipment
US6052093A (en) * 1996-12-18 2000-04-18 Savi Technology, Inc. Small omni-directional, slot antenna
DE19828122A1 (en) * 1998-06-25 1999-12-30 Fuba Automotive Gmbh Flat antenna, especially for frequencies in GHz range
US6414637B2 (en) * 2000-02-04 2002-07-02 Rangestar Wireless Inc. Dual frequency wideband radiator
US6660948B2 (en) 2001-02-28 2003-12-09 Vip Investments Ltd. Switch matrix
US6727856B1 (en) * 2002-06-06 2004-04-27 Good Technology, Inc. Antenna system for a wireless device
KR20060054330A (en) * 2003-07-21 2006-05-22 아이피알 라이센싱, 인코포레이티드 Multi-band antenna for wireless applications
US7755506B1 (en) 2003-09-03 2010-07-13 Legrand Home Systems, Inc. Automation and theater control system
US7394451B1 (en) 2003-09-03 2008-07-01 Vantage Controls, Inc. Backlit display with motion sensor
US7307542B1 (en) 2003-09-03 2007-12-11 Vantage Controls, Inc. System and method for commissioning addressable lighting systems
FI20031262A (en) * 2003-09-05 2005-03-06 Filtronic Lk Oy Antenna design for listening to public radio broadcasts with a mobile terminal and mobile terminal
US7778262B2 (en) 2005-09-07 2010-08-17 Vantage Controls, Inc. Radio frequency multiple protocol bridge
JP4772602B2 (en) * 2006-06-29 2011-09-14 京セラ株式会社 Antenna device and portable terminal device equipped with the antenna device
US7215600B1 (en) * 2006-09-12 2007-05-08 Timex Group B.V. Antenna arrangement for an electronic device and an electronic device including same
DE102007036207B4 (en) 2007-08-02 2010-08-12 Texas Instruments Deutschland Gmbh Large dynamic range ASK demodulator for use in 13 MHz RFID transponders
DE202008011254U1 (en) 2008-08-22 2008-12-24 Delphi Delco Electronics Europe Gmbh Flat antenna of "U" type
US8471768B2 (en) * 2009-12-22 2013-06-25 Nokia Corporation Method and apparatus for an antenna
US9166279B2 (en) 2011-03-07 2015-10-20 Apple Inc. Tunable antenna system with receiver diversity
US9246221B2 (en) * 2011-03-07 2016-01-26 Apple Inc. Tunable loop antennas
US9350069B2 (en) 2012-01-04 2016-05-24 Apple Inc. Antenna with switchable inductor low-band tuning
US9190712B2 (en) 2012-02-03 2015-11-17 Apple Inc. Tunable antenna system
JP5532191B1 (en) 2012-06-28 2014-06-25 株式会社村田製作所 Antenna device and communication terminal device
JP5655959B2 (en) * 2012-06-28 2015-01-21 株式会社村田製作所 ANTENNA DEVICE, FEEDING ELEMENT AND COMMUNICATION TERMINAL DEVICE
US9065169B2 (en) * 2013-06-25 2015-06-23 University Of New Hampshire High frequency magnetic field antenna
CN107210529B (en) * 2015-01-29 2020-06-26 佐藤控股株式会社 RFID wireless antenna

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE604353C (en) *
US2828413A (en) * 1956-06-21 1958-03-25 Bell Telephone Labor Inc Self-contained antenna-radio system in which a split conductive container forms a dipole antenna
JPS438648Y1 (en) * 1965-03-20 1968-04-17
US3573628A (en) * 1968-07-15 1971-04-06 Motorola Inc Antenna for miniature radio receiver including portions of receiver housing and chassis
US3702604A (en) * 1971-05-20 1972-11-14 Silicon Technology Work mounting mechanism in slicing machine

Also Published As

Publication number Publication date
CA942392A (en) 1974-02-19
JPS479165A (en) 1972-05-12
US3736591A (en) 1973-05-29
DE7140871U (en) 1972-03-02
AU3494971A (en) 1973-02-08
GB1354710A (en) 1974-06-05
DE2153827A1 (en) 1972-08-03
DE2153827B2 (en) 1977-12-15
HK68376A (en) 1976-11-05
JPS5126215B1 (en) 1976-08-05

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